They have overhead Gates stopping hot vehicles from coming in the parking lot. But I have seen him go around the back of it and go to the east side of the store and park along that side of the store leaving out facing Lowe
I have seen them parked there to take a nap or whatever they are usually parked in the first few rows directly across from sheetz towards the back of course. There is also a Lowes across the street on the same side of highway. Across the highway there is a park and ride a ihop and hotel. And through the intersection a McDonald's, burger king, and a few gas stations I always see tractor trailers parked there as well. I hope this was helpful but when in doubt I would call the store for peace of mind!
I've never seen a tractor trailer casually parked at Walmart that wasn't delivering to the store so if I had to make an educated guess I'd have to say no.
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